<template>

  <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option
          v-for="item in EmloyeesList"
          :key="item.id"
          :value="item.username"
          :label="item.username"
        />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="$emit('close')">取消</el-button>
    </el-form-item>
  </el-form>

</template>

<script>
import { getEmployeesSimple } from '@/api/employees'
import { addDepartments, getDepartmentsDetail, updateDepartments } from '@/api/departments'
export default {
  // name: 'VueHrDepTDialog',
  // 通过在父组件中添加自定义属性，用props，接收数据
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },

  data() {
    const validCode = (rule, value, callback) => {
      console.log(value, 'value')
      console.log(this.originList, 'this.originList')
      // 此处的existCodeList是个变量
      let existCodeList = this.originList.map(item => item.code)
      // 编辑的状态
      if (this.isEdit) {
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      if (existCodeList.includes(value)) {
        callback(new Error(`部门编码 :${value}已存在`))
      } else {
        callback()// 放行
      }
    }
    const validName = (rule, value, callback) => {
      console.log(value, 'value')
      console.log(this.originList, 'this.originList')
      // 此处的existCodeList是个变量
      let existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      // 编辑的状态
      if (this.isEdit) {
        // 1. 找到当前被编辑的元素
        const dept = this.originList.find(item => item.id === this.id)
        // 2. 取出pid(它的父级是谁)
        const pid = dept.pid
        // 3. 过滤： 同一个父级，不包括自己； map： 只要需要名字
        const brother = this.originList.filter(item => item.pid === pid)
        existNameList = brother.filter(item => item.id !== this.id).map(item => item.name)
      }
      console.log('被占用的名字列表', existNameList)
      if (existNameList.includes(value)) {
        callback(new Error(`部门名称 :${value}已存在`))
      } else {
        callback()// 放行
      }
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      rules: {
        // 表单的校验规则（prop:表单的必填项）
        name: [{ required: true, message: '请输入部门的名称', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入长度为1-50的字符', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }

        ], // 部门名称
        code: [{ required: true, message: '请输入部门的编码', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入长度为1-50的字符', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }
        ], // 部门编码
        manager: [{ required: true, message: '请输入部门的管理者', trigger: ['blur', 'change'] }
        ], // 部门管理者
        introduce: [{ required: true, message: '请输入部门的介绍', trigger: 'blur' },
          { min: 1, max: 300, message: '请输入长度为1-300的字符', trigger: 'blur' }
        ] // 部门介绍
      },
      EmloyeesList: [] // 负责人列表
    }
  },
  // 解决数据不更新的方式（使用watch监听id的变化）
  // watch: {
  //   'id': function(newVal, oldval) {
  //     this.loadDepartmentsDetail()
  //   }
  // },
  created() {
    this.loadEmployeesSimple()
    if (this.isEdit) {
      this.loadDepartmentsDetail()
    }
  },

  methods: {
    resetForm() {
      this.$refs.deptRef.resetFields()
    },
    async loadDepartmentsDetail() {
      try {
        const res = await getDepartmentsDetail(this.id)
        console.log(res, 'getDepartmentsDetail')
        this.form = res.data
      } catch (error) {
        console.log(error)
      }
    },
    // 确定
    hSubmit() {
      // 需要完成兜底校验，假设通过校验
      // 实现新增子部门
      this.$refs.deptForm.validate(valid => {
        if (!valid) return // 校验失败
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    // 编辑部门
    async  doEdit() {
      try {
        const res = await updateDepartments(this.form)
        console.log(res, 'doAdd')
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 重新渲染列表数据，关闭弹层
        // 子传父
        this.$emit('success')
      } catch (error) {
        console.log(error)
        this.$message.error(error)
      }
    },
    // 新增子项目
    async doAdd() {
      try {
        const res = await addDepartments({ ...this.form, pid: this.id })
        console.log(res, 'doAdd')
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 重新渲染列表数据，关闭弹层
        // 子传父
        this.$emit('success')
      } catch (error) {
        console.log(error)
        this.$message.error(error)
      }
    },
    // 获取部门负责人数据
    async loadEmployeesSimple() {
      try {
        const res = await getEmployeesSimple()
        console.log(res, 'getEmployeesSimple')
        if (res.code === 10000) {
          this.EmloyeesList = res.data
        }
      } catch (error) {
        console.log(error)
        this.$message.error(error)
      }
    }

  }
}
</script>

<style lang="scss" scoped>

</style>
